Introduce ::getPropertyInternal method to avoid duplication

fpdfsdk/javascript/Document.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "fpdfsdk/javascript/Document.h"
 
 #include <vector>
 
@@ skipping 73 matching lines @@
 JS_STATIC_PROP_ENTRY(mouseX)
 JS_STATIC_PROP_ENTRY(mouseY)
 JS_STATIC_PROP_ENTRY(numFields)
 JS_STATIC_PROP_ENTRY(numPages)
 JS_STATIC_PROP_ENTRY(pageNum)
 JS_STATIC_PROP_ENTRY(pageWindowRect)
 JS_STATIC_PROP_ENTRY(path)
 JS_STATIC_PROP_ENTRY(producer)
 JS_STATIC_PROP_ENTRY(subject)
 JS_STATIC_PROP_ENTRY(title)
+JS_STATIC_PROP_ENTRY(URL)
 JS_STATIC_PROP_ENTRY(zoom)
 JS_STATIC_PROP_ENTRY(zoomType)
 END_JS_STATIC_PROP()
 
 BEGIN_JS_STATIC_METHOD(CJS_Document)
 JS_STATIC_METHOD_ENTRY(addAnnot)
 JS_STATIC_METHOD_ENTRY(addField)
 JS_STATIC_METHOD_ENTRY(addLink)
 JS_STATIC_METHOD_ENTRY(addIcon)
 JS_STATIC_METHOD_ENTRY(calculateNow)
@@ skipping 793 matching lines @@
                          CFX_WideString& sError) {
   return TRUE;
 }
 
 FX_BOOL Document::mouseY(IJS_Context* cc,
                          CJS_PropValue& vp,
                          CFX_WideString& sError) {
   return TRUE;
 }
 
+FX_BOOL Document::URL(IJS_Context* cc,
+                      CJS_PropValue& vp,
+                      CFX_WideString& sError) {
+  if (vp.IsSetting()) {
+    CJS_Context* pContext = static_cast<CJS_Context*>(cc);
+    sError = JSGetStringFromID(pContext, IDS_STRING_JSREADONLY);
+    return FALSE;
+  }
+  CFX_WideString wsFilePath = m_pDocument->GetPath();
+  vp << wsFilePath;
+  return TRUE;
+}
+
 FX_BOOL Document::baseURL(IJS_Context* cc,
                           CJS_PropValue& vp,
                           CFX_WideString& sError) {
   if (vp.IsGetting()) {
     vp << m_cwBaseURL;
   } else {
     vp >> m_cwBaseURL;
   }
   return TRUE;
 }
@@ skipping 552 matching lines @@
     }
   }
 
   for (const auto& pData : DelayDataForFieldAndControlIndex)
     Field::DoDelay(m_pDocument, pData.get());
 }
 
 CJS_Document* Document::GetCJSDoc() const {
   return static_cast<CJS_Document*>(m_pJSObject);
 }